. . "National Research Council (U.S.). Highway Research Board. Committee on Special Problems of Condemnation and Land Use Control Law." . . "Aesthetics." . . "Beautification." . . "National Research Council (U.S.). Highway Research Board. Annual Meeting" . . . . "Highways and environmental quality : 6 reports" . . "Highways and environmental quality : 6 reports"@en . . . . . . . . . . . . . . . . . . . . . "Conference papers and proceedings"@en . . "Highways and environmental quality : six reports"@en . . "National Research Council (U.S.). Highway Research Board." . . "Environmental quality." . . "National Research Council (U.S.). Highway Research Board. Committee on Indirect Effects of Highway Improvement." . .